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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 9: bài 1 : Rút gon biểu thức a= √(2- √ 3) ² + 2 √3 b= √18-2 √50+3 √8 + ∛27

Toán Lớp 9: bài 1 : Rút gon biểu thức
a= √(2- √ 3) ² + 2 √3
b= √18-2 √50+3 √8 + ∛27

Comments ( 1 )

  1. A= |2-√3| + 2√3
    A= 2-√3+2√3
    A= 2+√3

    B= √16 . 3+5√2 . 2√2 + 3
    B= 4 . 3 +5√2 . 2√2 +3
    B= 12 + 20 + 3
    B= 36

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222-9+11+12:2*14+14 = ? ( )